Answer:
The value is 
Explanation:
From the question we are told that
The dielectric constant is k = 1.5
The area of each plate is 
The distance between the plates is 
The charge on the capacitor is 
Generally the electric field in a vacuum is mathematically represented as

Generally
is the voltage of the capacitor which is mathematically represented as

Here
is the capacitance of the capacitor in a vacuum which is mathematically represented as

Here
is a constant with value
=> 
=> 
So


So

=> 
The electric field when the dielectric slab is inserted is mathematically represented as

=> 
=> 
Generally the electric field between the plates is mathematically evaluated as

=> 
=> 
Generally the potential difference between the plates is

=> 
C = Q/V, and since C is a constant, if voltage is doubled, charged will be doubled as well. Therefore charge will be 2Q
Answer:
Mirages happen when the ground is very hot and the air is cool.
Explanation:
They happen when light passes through two layers of air with different temperatures. The desert sun heats the sand, which in turn heats the air just above it. The hot air bends light rays and reflects the sky.
When you see it from a distance, the different air masses colliding with each other act as a mirror.
Partial. a penumbral lunar eclipse is when the moon passes through the earths penumbra